package com.git_taoxian.test1;

public class Test1 {
    public static void main(String[] args) {
        double rs = Math.pow(3.0, 5.0);
        System.out.println(rs);
        System.out.println(Math.ceil(3.2));
        System.out.println(Math.floor(3.8));
        System.out.println(Math.round(5.6));
    }
}
